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Apparatus and methods for variable capacitor arrays
专利权人:
TDK CORPORATION
发明人:
Gupta Dev V.,Lai Zhiguo,Nohra George,Madan Anuj
申请号:
US201514952451
公开号:
US9658636(B2)
申请日:
2015.11.25
申请国别(地区):
美国
年份:
2017
代理人:
Nixon Peabody LLP
摘要:
Apparatus and methods for variable capacitor arrays are provided herein. In certain configurations, an apparatus includes a variable capacitor array and a bias voltage generation circuit. The variable capacitor array includes a plurality of metal oxide semiconductor (MOS) variable capacitor cells, which include one or more pairs of MOS capacitors implemented in anti-parallel and/or anti-series configurations. In certain implementations, the MOS variable capacitor cells are electrically connected in parallel with one another between a radio frequency (RF) input and an RF output of the variable capacitor array. The bias voltage generation circuit generates bias voltages for biasing the MOS capacitors of the MOS variable capacitor cells.
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